cr series crn2 crn2g partsl ist andk its - Grundfos

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Special Tools
Tools not generally available from normal sources.
Mat. No. Description and Use
Shaft Holder for Dismantling
00SV 0237 Used to hold the shaft during dismantling
when the impeller stack is too tight to
dismantle by hand.
Punch for Dismantling Shaft
00SV 0238 Used to punch the shaft down through
the shaft holder when the impeller
stack is too tight to dismantle by hand.
Puller for Neck Ring
00SV 0239 Used to remove the neck rings from
intermediate chambers.
Shaft Holder for Assembly
00SV 0040 Used to hold the shaft during assembly
and during dismantling when the
impeller stack isn't stuck.
Bellows Seal Tool
00SV 0384 For use when fitting Bellows shaft seals
Standard Tools
In addition to being available from Grundfos, comparable tools can be purchased
through normal sources.
Mat. No. Description and Use
Wrenches
Used to tighten various nuts.
00SV 0083 NV 10 mm for M6
00SV 0055 NV 13 mm for M8
00SV 0054 NV 19 mm for M12
00SV 0122 NV 24 mm
T-handled Allen Wrench
Used to tighten various allen screws.
00SV 0124 NV 5 mm for M6
00SV 0050 NV 6 mm for M8
Torquing Wrench
Used to torque various screws.
00SV 0292 4 - 20 Nm (3 - 15 ft. lbs.)
00SV 0269 20 - 100 Nm (15 - 74 ft. lbs.)
Ring Spanner
00SV 0310 NV 10 mm for M6
00SV 0294 NV 13 mm for M8
00SV 0271 NV 19 mm for M12
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Socket Spanner with Inside Hex
00SV 0296 NV 5 mm for M6 (1/2" x 1/2")
00SV 0297 NV 6 mm for M8 (1/2" x 1/2")
Ratchet Spanner
00SV 0295 9 mm x 12 mm x 1/2" x 1/2"
CRN2 RN2 • • C CCRN2G
C RN2G
Part Dimensions
All dimensions in millimeters (mm)
4 and 4a – Intermediate Chamber
5a Bottom Intermediate Chamber
45 – Neck Ring
49 – Impeller
50a – Top Guide Vane
65 – Neck Ring Retainer